   <div class="w3-row-padding w3-padding-16 w3-center">
    <div class="w3-quarter">
      <a href="basic_inform/index.html"><img src="docs-assets/ext.jpg" alt="Basic Inform" style="width:100%"></a>
      <h3><a href="basic_inform/index.html">Basic Inform</a></h3>
      <p>The Inform 7 extension read automatically into every project,
      defining much of the language.</p>
    </div>
    <div class="w3-quarter">
      <a href="standard_rules/index.html"><img src="docs-assets/ifext.jpg" alt="Standard Rules" style="width:100%"></a>
      <h3><a href="standard_rules/index.html">Standard Rules</a></h3>
      <p>The Inform 7 extension read automatically into every interactive
      fiction project, defining much of the world model.</p>
    </div>
  </div>
